Pith Number

pith:XGGRTPO4

pith:2018:XGGRTPO4OYU6CIJLXZ54QDUKQE

not attested not anchored not stored refs pending

A Contraction Property of an Adaptive Divergence-Conforming Discontinuous Galerkin Method for the Stokes Problem

Guido Kanschat, Natasha Sharma

arxiv:1807.08623 v1 · 2018-07-23 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XGGRTPO4OYU6CIJLXZ54QDUKQE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:10:05.286998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b98d19bddc7629e1212bbe7bc80e8a810446b4479954c6ea62454b200fb6df78

Aliases

arxiv: 1807.08623 · arxiv_version: 1807.08623v1 · doi: 10.48550/arxiv.1807.08623 · pith_short_12: XGGRTPO4OYU6 · pith_short_16: XGGRTPO4OYU6CIJL · pith_short_8: XGGRTPO4

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/XGGRTPO4OYU6CIJLXZ54QDUKQE \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: b98d19bddc7629e1212bbe7bc80e8a810446b4479954c6ea62454b200fb6df78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95bddf12f18940aba669cfc1c3e30cfe0a21bdad16b879ec2ae0b697c9d4d057",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-07-23T13:57:39Z",
    "title_canon_sha256": "216d8501faf7babb0a75e1cd87505f4a62fa54ec67eca13691a71f093452a5ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08623",
    "kind": "arxiv",
    "version": 1
  }
}